MBE 900 4000 Troubleshooting

Section 2.5 Conduit and Loom

Section 2.5
Conduit and Loom

Conduit must be used to protect the harness cable and cable splices. ‪


The conduit must not cover any connectors, switches, relays, fuses, or sensors.‪

The following guidelines should be used when designing a harness: ‪


Wires should be sized and cut to near equal length prior to installing conduit.‪

  • The distance between the back of the connector or other listed devices to the end of the conduit should not exceed:
    • 25 mm (1.0 in.) for a single connector/device
    • 75 mm (3.0 in.) for multiple connectors/devices
  • All cable breakouts and conduit ends must be secured in place with conduit outlet rings or tape.

Criteria for Conduit and Loom:

  • Due to the wide variety of operating conditions and environments, it is the responsibility of the OEM to select a conduit that will survive the conditions of the specific applications.
  • Flame retardant convoluted polypropylene conduit or equivalent may be used for most installations. Heat retardant nylon conduit or oil, water, acid, fire, and abrasion resistant non-metallic loom conforming to SAE J562A is also acceptable.

    Note: If non-metallic loom is used, secure the ends with tightly wrapped nylon straps to prevent unraveling.

  • The diameter of conduit should be selected based on the number of wires being protected.

Conduit should cover the wires without binding and without being excessively large.‪

MBE 900/4000 Troubleshooting Guide - 6SE422
Generated on 10-13-2008

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